A spline to represent a 7.3m-wide (24ft) timber road bridge. A no-traffic invisible road spline passes over the bridge deck. The Carz speed limit over the deck is 15mph.
For trestles to support the deck use <kuid:368725:20536> 'NSWGR wooden trestle bent (pier) for road bridges, butressed single storey, 18ft' and <kuid:368725:20537> 'NSWGR wooden trestle bent (pier) for road bridges, butressed single storey, 20ft'.